Recorded in 1983 at Lugano, Italy, featuring Gil Evans (electric piano, conductor), Howard Johnson (baritone sax), Mike Maineri (vibes) and Billy Cobham (drums).
Frank Zappa and the Mothers of Invention - "Improvisations" a.k.a "In Memoriam Hieronymus Bosch"
Recorded in 1967 for the TV program From The Bitter End, featuring Frank Zappa (guitar), James "Motorhead" Sherwood (baritone sax, tambourine, plunger, etc), Jimmy Carl Black (drums), Billy Mundi (drums), Don Preston (keyboards), Roy Estrada (bass, vocals), Ian Underwood (alto sax) and Bunk Gardner (tenor sax).
Recorded in 1972 at the Montreux Jazz Festival, featuring Rahsaan Roland Kirk (saxophones, flutes, etc.), Ron Burton (piano), Henry "Pete" Pearson (bass), Robert Shy (drums) and Joe "Habao" Texidor (percussion).
Recorded June 22, 1969 at Montreux Jazz Festival, Switzerland, featuring Dave Greenslade (organ, vocals), Dick Heckstall-Smith (saxophones), James Litherland (guitar, vocals), Tony Reeves (bass) and Jon Hiseman (drums).